[U-Boot] [PATCH] kbuild: fixdep: Check fstat(2) return value

[Tom Rini]

Coverity has recently added a check that will find when we don't check
the return code from fstat(2).  Copy/paste the checking logic that
print_deps() has with an appropriate re-wording of the perror() message.

[ Linux commit : 46fe94ad18aa7ce6b3dad8c035fb538942020f2b ]

Signed-off-by: Tom Rini <trini at konsulko.com>
Signed-off-by: Michal Marek <mmarek at suse.com>
---
 scripts/basic/fixdep.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index e8e8c77..9bd0de2 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -296,7 +296,11 @@ static void do_config_file(const char *filename)
 		perror(filename);
 		exit(2);
 	}
-	fstat(fd, &st);
+	if (fstat(fd, &st) < 0) {
+		fprintf(stderr, "fixdep: error fstat'ing config file: ");
+		perror(filename);
+		exit(2);
+	}
 	if (st.st_size == 0) {
 		close(fd);
 		return;
-- 
1.9.1